LT1934 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LT1934 is a 34.00 V non-sync Buck Converter from with 0.30 A output current. The maximum 34.00 V input voltage can be regulated down into a 1.25 V to 34.00 V output voltage.

It requires are a typical inductor size of 47.00 µH, a typical external component count of 9 and achieves a peak efficiency of 85 %. Further LT1934 characteristics are a fixed 500 kHz switching frequency and 2 available package option(s): TSOT23-6 DFN-6 .

For the LT1934 replacement search, please select a main parameter tolerance value and adjust the checkboxes for feature match. The product counter within the button shows the number of available equivalents and a click on the replacement button shows all possible replacements within a parametric overview.

ParameterValueReplacement
Search Filter
V-IN min. 3.20 V
V-IN max. 34.00 V
I-OUT? 0.30 A
V-OUT min. 1.25 V
V-OUT max. 34.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 500 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 26 µA
Operating min. -40 °C
Operating max. 125 °C
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 47.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 85 %
Component count min. 9
current limit adjustable no
Nr.of packages 2
CSP
SC70
SOT TSOT23-6
MSOP
QFN/DFN DFN-6
SO/SOIC
SOP
DIP
TO
DDPAK

LT1934 Datasheet

Link to the most up-to-date LT1934 datasheet and the product page for EVM, tools and support information.

LT1934

LT1934 Sample stock and distributor price breaks

LT1934 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 6

DIGI-KEY (14)

ProductStockPriceBuy
LT1934ES6#TRMPBF97Buy Now
LT1934ES6-1#TRMPBF0
5002.39 USD
Buy Now
LT1934ES6-1#TRMPBF294
15.15 USD
254.60 USD
1002.87 USD
2502.63 USD
Buy Now
LT1934ES6-1#TRMPBF294
15.15 USD
254.60 USD
1002.87 USD
2502.63 USD
Buy Now
LT1934ES6#TRMPBF0
5002.39 USD
Buy Now
LT1934ES6#TRMPBF140
15.15 USD
254.60 USD
1002.87 USD
2502.63 USD
Buy Now
LT1934ES6#TRMPBF140
15.15 USD
254.60 USD
1002.87 USD
2502.63 USD
Buy Now
LT1934EDCB-1#TRMPBF0
5002.74 USD
Buy Now
LT1934EDCB-1#TRMPBF385
15.52 USD
254.92 USD
1003.29 USD
2503.01 USD
Buy Now
LT1934EDCB-1#TRMPBF0
10.00 USD
Buy Now
LT1934IS6#TRPBF0
25002.75 USD
Buy Now
LT1934IS6#TRPBF1988
15.80 USD
255.18 USD
1003.30 USD
2503.03 USD
Buy Now
LT1934IS6#TRPBF1988
15.80 USD
255.18 USD
1003.30 USD
2503.03 USD
Buy Now
LT1934IDCB#TRMPBF0
5002.75 USD
Buy Now
LT1934IDCB#TRMPBF695
15.91 USD
255.28 USD
1003.30 USD
2503.03 USD
Buy Now
LT1934IDCB#TRMPBF695
15.91 USD
255.28 USD
1003.30 USD
2503.03 USD
Buy Now
LT1934IS6-1#TRMPBF0
5002.75 USD
Buy Now
LT1934IS6-1#TRMPBF475
15.91 USD
255.28 USD
1003.30 USD
2503.03 USD
Buy Now
LT1934IS6-1#TRMPBF475
15.91 USD
255.28 USD
1003.30 USD
2503.03 USD
Buy Now
LT1934IS6#TRMPBF0
5002.75 USD
Buy Now
LT1934IS6#TRMPBF343
15.91 USD
255.28 USD
1003.30 USD
2503.03 USD
Buy Now
LT1934IS6#TRMPBF343
15.91 USD
255.28 USD
1003.30 USD
2503.03 USD
Buy Now
LT1934EDCB#TRMPBF0
10002.39 USD
Buy Now
LT1934ES6#TRPBF0
25002.39 USD
Buy Now
LT1934ES6-1#TRPBF0
25002.39 USD
Buy Now
LT1934EDCB#TRPBF0
25002.39 USD
Buy Now

Element14 (2)

ProductStockPriceBuy
LT1934ES6#TRMPBF2973
18.06 USD
257.19 USD
1004.49 USD
2504.12 USD
Buy Now
LT1934ES6#TRMPBF2973
18.06 USD
257.19 USD
1004.49 USD
2504.12 USD
Buy Now

Farnell Element14 (2)

ProductStockPriceBuy
LT1934ES6#TRMPBF3742Buy Now
LT1934ES6#TRMPBF3742Buy Now

RS Components (5)

ProductStockPriceBuy
LT1934ES6#TRMPBF149Buy Now
LT1934ES6#TRMPBF207Buy Now
LT1934IS6#TRMPBF26Buy Now
LT1934IS6#TRMPBF6Buy Now
LT1934IS6TRMPBF500Buy Now

Reichelt Elektronik (1)

ProductStockPriceBuy
LT1934ES6#TRMPBF1Buy Now

Schukat (1)

ProductStockPriceBuy
LT1934ES6TRMPBF54Buy Now

Available Distributors without stock: 1

NEWARK (0)

ProductStockPriceBuy
LT1934ES6-1#TRMPBF0
13.35 USD
5002.39 USD
Buy Now
LT1934ES6-1#TRPBF0
13.54 USD
25002.54 USD
Buy Now
LT1934ES6#PBF0
00.00 USD
Buy Now
LT1934ES6#TRMPBF0
12.39 USD
Buy Now
LT1934ES6#TRMPBF0
15.09 USD
254.55 USD
1002.87 USD
2502.63 USD
Buy Now
LT1934ES6#TRPBF0
13.54 USD
25002.54 USD
Buy Now
LT1934IDCB-1#PBF0
15.67 USD
253.78 USD
503.15 USD
Buy Now
LT1934IDCB#PBF0
14.95 USD
253.30 USD
502.75 USD
Buy Now
LT1934IDCB#TRMPBF0
13.85 USD
5002.75 USD
Buy Now
LT1934IS6-1#PBF0
14.95 USD
253.30 USD
502.75 USD
Buy Now
LT1934IS6-1#TRMPBF0
13.85 USD
5002.75 USD
Buy Now
LT1934IS6#PBF0
14.95 USD
253.30 USD
502.75 USD
Buy Now
LT1934IS6#TRMPBF0
13.85 USD
5002.75 USD
Buy Now
LT1934IS6#TRPBF0
14.07 USD
25002.92 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LT1934 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT1934. Optional, compare LT1934 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT1676 LT1676 product overviewLT1676 product overview Linear Technology SO-8
0% LT1776 LT1776 product overviewLT1776 product overview Linear Technology PDIP, SO-8
0% LT1777 LT1777 product overviewLT1777 product overview Linear Technology SO-16
0% LT1933 LT1933 product overviewLT1933 product overview Linear Technology DFN-6, TSOT23-6
0% LT3437 LT3437 product overviewLT3437 product overview Linear Technology TSSOP-16, DFN-10
0% LT3502 LT3502 product overviewLT3502 product overview Linear Technology DFN-8, MSOP-10
0% LT3502A LT3502A product overviewLT3502A product overview Linear Technology DFN-8, MSOP-10
0% MAX5033 MAX5033 product overviewMAX5033 product overview Maxim PDIP-8, SOIC-8
0% MAX5096 MAX5096 product overviewMAX5096 product overview Maxim TSSOP-EP-20, TQFN-16
0% MAX5097 MAX5097 product overviewMAX5097 product overview Maxim TSSOP-EP-20, TQFN-16
0% LM2574 LM2574 product overviewLM2574 product overview Micrel DIP-8
0% MP2451 MP2451 product overviewMP2451 product overview MPS SOT23-6
0% MP2456 MP2456 product overviewMP2456 product overview MPS TSOT23-6
0% MP2459 MP2459 product overviewMP2459 product overview MPS TSOT23-6
0% MP4566 MP4566 product overviewMP4566 product overview MPS QFN-8
0% MPQ2451 MPQ2451 product overviewMPQ2451 product overview MPS SOT23-6
0% LM2574 LM2574 product overviewLM2574 product overview ON Semiconductor PDIP-8, SOIC-16W
0% LM2594 LM2594 product overviewLM2594 product overview ON Semiconductor PDIP-8, SOIC-8
0% BD9G101 BD9G101 product overviewBD9G101 product overview Rohm SOT-23
0% LM22674 LM22674 product overviewLM22674 product overview Texas Instruments SO-8
0% LM22674-Q1 LM22674-Q1 product overviewLM22674-Q1 product overview Texas Instruments SO-8
0% LM2574 LM2574 product overviewLM2574 product overview Texas Instruments PDIP-8, SOIC-14
0% LM2574HV LM2574HV product overviewLM2574HV product overview Texas Instruments PDIP-8, SOIC-14
0% LM2594 LM2594 product overviewLM2594 product overview Texas Instruments PDIP-8, SOIC-8
0% LM2594HV LM2594HV product overviewLM2594HV product overview Texas Instruments PDIP-8, SOIC-8
0% LM2597 LM2597 product overviewLM2597 product overview Texas Instruments PDIP-8, SOIC-8
0% LM2597HV LM2597HV product overviewLM2597HV product overview Texas Instruments PDIP-8, SOIC-8
0% LM2671 LM2671 product overviewLM2671 product overview Texas Instruments PDIP-8, SOIC-8, WSON-16
0% LM2674 LM2674 product overviewLM2674 product overview Texas Instruments PDIP-8, SOIC-8, WSON-16
0% LM2841X LM2841X product overviewLM2841X product overview Texas Instruments SOT23-6
0% LM2841X-Q1 LM2841X-Q1 product overviewLM2841X-Q1 product overview Texas Instruments SOT23-6
0% LM2841Y LM2841Y product overviewLM2841Y product overview Texas Instruments SOT23-6
0% LM2841Y-Q1 LM2841Y-Q1 product overviewLM2841Y-Q1 product overview Texas Instruments SOT23-6
0% LM2842X LM2842X product overviewLM2842X product overview Texas Instruments SOT23-6
0% LM2842X-Q1 LM2842X-Q1 product overviewLM2842X-Q1 product overview Texas Instruments SOT23-6
0% LM2842Y LM2842Y product overviewLM2842Y product overview Texas Instruments SOT23-6
0% LM2842Y-Q1 LM2842Y-Q1 product overviewLM2842Y-Q1 product overview Texas Instruments SOT23-6
0% LMR14006-X LMR14006-X product overviewLMR14006-X product overview Texas Instruments TSOT23-6
0% LMR14006-Y LMR14006-Y product overviewLMR14006-Y product overview Texas Instruments TSOT23-6
0% LMR14203 LMR14203 product overviewLMR14203 product overview Texas Instruments SOT23-6
0% LMR14206 LMR14206 product overviewLMR14206 product overview Texas Instruments SOT23-6
0% RT6200 RT6200 product overviewRT6200 product overview Richtek SOT23-6
0% MPQ2459 MPQ2459 product overviewMPQ2459 product overview MPS TSOT23-6
0% MPQ2459-AEC1 MPQ2459-AEC1 product overviewMPQ2459-AEC1 product overview MPS TSOT23-6
10% AS7620A AS7620A product overviewAS7620A product overview AMS MLPQ-12
10% LT3470A LT3470A product overviewLT3470A product overview Linear Technology DFN-8
25% E522.06 E522.06 product overviewE522.06 product overview Elmos TSSOP-16, QFN-20
25% LT3470 LT3470 product overviewLT3470 product overview Linear Technology DFN-8, TSOT23-5
25% MAX1837 MAX1837 product overviewMAX1837 product overview Maxim TDFN-EP-6, SOT23-6
25% E522.76 E522.76 product overviewE522.76 product overview Elmos SOIC-8-EP

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1934.

V-IN max. 34 V, I-OUT 0.3 A, V-OUT min. 1.25 V, Frequency typ. 500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025270 27.0 0.5 0.7 745.00 2.8 x 2.8 x 3
744031220 22.0 0.5 0.4 410.00 3.8 x 3.8 x 1.8
74404024180 18.0 0.5 0.7 830.00 2.5 x 2 x 1.2
74404024220 22.0 0.5 0.6 910.00 2.5 x 2 x 1.2
74404032220 22.0 0.6 0.6 450.00 3 x 3 x 1.5
744042180 18.0 0.9 0.7 270.00 4.8 x 4.8 x 2
744042220 22.0 0.9 0.6 280.00 4.8 x 4.8 x 2
744043180 18.0 1.0 0.7 150.00 4.8 x 4.8 x 3
744043220 22.0 0.9 0.7 160.00 4.8 x 4.8 x 3
744043270 27.0 0.9 0.6 170.00 4.8 x 4.8 x 3
7440680220 22.0 0.9 0.7 350.00 8 x 8 x 1.2
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